Home / 105,905.25-146,141.96-58,148.73

Finding the Fourth Proportional to 105,905.25, 146,141.96 and 58,148.73

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Solution

The fourth proportional to 105,905.25, 146,141.96 and 58,148.73 is: 80,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,905.25 : 146,141.96 = 58,148.73 : x
  2. Step 2: Convert to fraction form
    105,905.25/146,141.96 = 58,148.73/x
  3. Step 3: Cross multiply
    105,905.25x = 146,141.96 × 58,148.73
  4. Step 4: Simplify right side
    105,905.25x = 8,497,969,082.97
  5. Step 5: Solve for x
    x = 8,497,969,082.97/105,905.25
  6. Step 6: Final answer
    x = 80,241.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.